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Evaluation of TCP acknowledgment mechanism influence on router performance
(Elektronika ir elektrotechnika, 2010)
The efficient usage of congestion control becomes significant as Internet traffic grows. The quality of congestion control greatly affects utilization efficiency of the data network equipment. This paper presents detailed ...
The investigation of 3D magnetic field distribution in multilayer coils
(Elektronika ir elektrotechnika, 2010)
The investigation of magnetic field distribution via x-y-z directions of multilayer coils has been carried out. Finite elements method was used for numerical simulation of magnetic field components. The model was verified ...
Simulation and properties of the wide-band hybrid slow-wave system
(Elektronika ir elektrotechnika, 2010)
The meander slow-wave system with bended and formed lateral parts of meander electrodes is considered. The system has features of meander and helical systems and can be considered as the hybrid helical-meander-helical (HMH) ...
Quality of heterogeneous mobile data services: capabilities and end-user achievements
(Elektronika ir elektrotechnika, 2010)
Then analyzing quality characteristics of different segments of the telecommunication network it was noticed that bandwidth, delay of packets and reliability of the last-mile of the end-users are worse and less stable than ...
Model of ventilation system drive with fuzzy controller
(Elektronika ir elektrotechnika, 2010)
Simulation model of ventilation system with fuzzy controller is elaborated and considered. System comprises scalar control induction motor drive with Fuzzy controller and overpressure feedback. Overpressure error and ...
Optimization of two–mass electromechanical system
(Elektronika ir elektrotechnika, 2010)
The issues of two – mass electromechanical optimization are analyzed. The probable methods of optimization and measures were discussed. The structural diagram of system optimization is presented, it is comprised of DC motor ...
Dispersion characteristics of the propagation waves in the gyroelectric semiconductor waveguides
(Elektronika ir elektrotechnika, 2010)
Presented general electrodynamical and mathematical model of the open cylindrical round cross-section gyroelectric semiconductor waveguides. Created general algorithm and program in MATLAB® for calculations dispersion ...
Two-mass mariable speed drive
(Elektronika ir elektrotechnika, 2010)
The paper presents the simulation results of the close loop two-mass electromechanical system model with the speed and current feedbacks. Motor speed is controlled by a torque-generated stator current component while ...
Internet infrastructure topology assessment
(Elektronika ir elektrotechnika, 2010)
The study presents the performed research on the analysis of the Internet network of a region formed of stochastically interconnected sub-networks, as one system and searching for the ways to identify the indicators of ...
Study on the characteristics of electronically commutated motor
(Elektronika ir elektrotechnika, 2011)
The article presents the study on the electrically commutated DC motors or on the so called studies of the fields of application of brushless motors, considering their advantages and disadvantages. The computerized simulation ...
